diff --git a/7project/backend/app/models/categories.py b/7project/backend/app/models/categories.py
index af7ef01..8ae0e5c 100644
--- a/7project/backend/app/models/categories.py
+++ b/7project/backend/app/models/categories.py
@@ -19,4 +19,4 @@ class Category(Base):
     description = Column(String(length=255), nullable=True)
     user_id = Column(GUID, ForeignKey("user.id"), nullable=False)
     user = relationship("User", back_populates="categories")
-    relationship("Transaction", secondary=association_table, back_populates="categories")
+    transactions = relationship("Transaction", secondary=association_table, back_populates="categories")
diff --git a/7project/backend/app/models/transaction.py b/7project/backend/app/models/transaction.py
index 6a7e0bf..f260400 100644
--- a/7project/backend/app/models/transaction.py
+++ b/7project/backend/app/models/transaction.py
@@ -1,4 +1,3 @@
-from exceptiongroup import catch
 from fastapi_users_db_sqlalchemy import GUID
 from sqlalchemy import Column, Integer, String, Float, ForeignKey
 from sqlalchemy.orm import relationship